Charles h



C. H. WILCKEN. VEHICLE SPRING.v ,mmc/mou msn Ama. 1915.

Reissued July 27,l 191:.

g lengthening the life 4intermediate leaves CHARLES vH. WILCKEN, 0FINDIANAPOLIS, INDIANA.

VEHICLE-SPRING Original No. 1,034,551,

Serial No.

. ing is a specification.

Ylt is the object of the present invention to provide a leaf spring fora vehicle, or the like, the spring consisting of a plurality of leaveshaving aligned openings, defining a chamber within the spring, whichchamber is adapted to receive a lubricant, the contaeting faces of theleaves being lubricated, by the contents of the chamber, therebyinsuring an even movement of the spring, and

thereof.

With the above and other objects in view which will appear as thedescription proceeds, the invention resides in the combination andarrangement of parts and in the details of construction hereinafterdescribed and claimed, it `being `understood that changes in *l Jprecise embodiment of the invention herein disclosed can be made Withinthe scope of what is claimed Without departing' from the spirit of theinvention.

VIn the drawings, Figure 1 is a side eleva; tion of the complete spring;Fig'. 2 is a section on the line lL-B of Fig. 1; Fig. B is a plan of oneof the blocks; Vand Fig. Ll is a i plan of the several leaves.

In carrying out the invention there is provided an outer leaf 1,preferably the longest leaf of the series, and another outer leaf 2ordinarily the shortest leaf of the series. Between the outer leaves 1and 2, a series of 3 are disposed. 'lhe-re may be any number of theseintermediate leaves, and their lengths Will be regulated, as may bedesired..`

,. The leaves 3 are longitudinally slotted, intermediate their edges, asshown at Ll, so that when the leaves are superposed upon each other, aylubricant-receiving chamber 5 Will be A fashioned Within the contour ofthe spring, the outer plates 2 being imperforate, to constitute acomplete closure for one side of the chamber 5, the outer leaf 1 beingprovided With a reduced opening 6, constituting an inlet to thelubricantrreceiving chamber.`

Upon the leaf l is superposed a block 7, and beneath the leaf 2'isplaced a block 8. The block 7 is provided withran inlet opennSpecification ol' Reissuef Letters atent. Isgud J 1y dated August 6,1912, Serial No.

.outer leaves, and in in the spring 638,53. Application for reissuefiled April y8, 191.5. 20,@5-53. Y

ing'i, alining with the opening G in the leaf 1, and into the opening 9may be inserted a closure plug 1G of any desired sort.

The leaves 1, Sand 2 are notched at spaced points, in their edges, asshown at 11, and the blocks 7 and. S are similarly notched` as shown at1Q, the notches 11 and 12 serving to receive a pair of clips 11i, ofarched form, to the' lower ends of which, nuts 15 are applied, the nuts15 engaging with the plate 8.

It will be seen that by removing the closure plug 1i), the lubricant maybe intro-- duced into the chamber 5, through the inlets (5-9 the leavesof the spring being lubricated, :for movement upon each other.

The slots l may be cut directl .f into the leaves, or, if desired, eachleaf may consist of separate parts, united along the dotted line 25, asshown in n ig. Ll,

l lila ving thus described the invention, what is claimed is:-

1. niultisply leaf spring consisting of erniediae leaves between theouter leaves, the ii leaves being longitudinally slotted, in alinenient,` to define a lubricantrcceiving chainber within the spring; oneof the outer leaves being imperforate, to constitute a closure for thechamber, the other outer leaf constituting likewise a closure for thechainber, but being' provided with a reduced inlet, -whereby a lubricantmay be introduced within the chamber.

@A device of the class described coinprlsing a multiply leaf spring,consisting of outer leaves, and intermediate leaves be tween thev outerleaves, one of the outer leaves being iin.perforate,uand theintermediate leaves being longitudinally slotted, to define alubricant-receiving chamber with- `the other of the outer leavesconstituting va partial closure for the charnber, but being providedwith an inlet; blocks disposed on 1the outer plates one of the blocksbeing provided with an inlet, alining with the inletin the outer plate;a closure for the inlet in the block; and clips en^ibracing the blocksand the springs.

3. A multi-ply leaf spring, consisting of outer leaves, and intermediateleaves be tween the outer-leaves, the intermediate leaves beinglongitudinally slotted, in alinement, to define a lubricant-receivingchamber Within the spring. 1

erniediate 4. multi-ply leef spring, cnsisting ofl "entger leaves, andintermediate leaves be- -tween the outer leaves, the intermediate leavesbeing longitudinally slotted, in aline- 5 ment, to define a,lubricant-receiving cham. bei Within tbe spring; and one of the leavesboing rwnvided with an inlet opening,

whereby lubricant may be introduced within the chamber. f e

Signed by me this 3 da of ,A rilL 1915.

4CHARLES i '.WI BEN.- Atested by-ff Y WALTEg BROWN',

MARY E. 211mm,

